fix(kanban): wake controllers on review changes

Deliver changes_requested review outcomes through kanban subscriptions and
wake the origin for notify+wake / wake modes. Review-specific only: no task
mutation. Reasons are redacted, path-scrubbed and truncated before delivery.

Salvaged from #88694; conflicts with the #87733 wake-kinds expansion resolved
keep-both.

locales/en.yaml

@@ -182,11 +182,13 @@ gateway:
       timed_out:           "timed out; dispatcher will retry"
       blocked:             "blocked; needs attention"
       review_requested:    "handed off for review; the implementation is done"
+      changes_requested:   "review requested changes (BLOCK); implementation is not approved"
       block_loop_detected: "routed to triage after repeated blocks; needs a decision"
       status_default:      "status changed"
       status_joiner:       ", "
       message:             "[kanban] Task {task_id} {status}.\nTitle: {title}\nAssignee: @{assignee}\nBoard: {board}\n\nCheck the result or decide the next step."
       handoff:             "Result: {summary}"
+      review_detail:       "Review feedback: {reason}\nInspect the existing card and its current review run; return work to the same implementation task. Do not treat this BLOCK as approval and do not create a duplicate task."
       guidance:            "This is an automatic task-status notification, not a request to decompose the task again. Inspect the current board before creating follow-up tasks; do not recreate tasks or graphs that already exist."
 
   personality: